# name = "You'remysunshine"
#
# for x in name:
#     print(x)


quote = "You are my sunhine."
num = 0
for x in quote:
    if x == "u":
       num+=1
print(f"{quote}中共含有：{num}个字母u")


# 序列类型： 字符串 列表 元组 ...
